You are purchasing a perfectly matched lot of 10 identical Samsung PM981 NVMe SSDs. The PM981 is a highly sought-after, premium OEM drive known for its exceptional speed, endurance, and reliability. These were pulled from corporate workstations during storage upgrades. Capacity: 256GB per drive. Interface: NVMe PCIe Gen3 x4. Sequential Read Speed: Up to 3,000 MB/s. Sequential Write Speed: Up to 1,300 MB/s. Compatible with most modern laptop or desktop motherboards that support M. 2 2280 PCIe NVMe drives. Please Note: These are NVMe (M-Key) drives. They are NOT compatible with older motherboards or laptops that only support SATA M. Please verify your system’s compatibility before purchasing.